Properties of the Number -22241

Twenty-Two Thousand Two Hundred Forty-One

Basics

Value: -22242 → -22241 → -22240

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 23 × 967

Divisors: 1, 23, 967, 22241

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -101011011100001

Octal: -53341

Duodecimal: -10A55

Hexadecimal: -56e1

Square: 494662081

Square Root: 149.13416778190035

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Let f(k) = exp(π*sqrt(k)); sequence gives numbers k such that ceiling(f(k)) - f(k) < 1/10³. A127022

First differences of A379290. A379296

Number of slanted 2 X n (i=1..2) X (j=i..n+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, 4 in the lower right corner, and with no element having more than 3 neighbors with the same value. A165394

a(n) = 15·n*(n+1) + 11. A132208

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1010-1111 pattern in any orientation. A146813